Pup joint

Pup joint is the shorter length of the casing, customized to the length required by the customer, is only shorter than the normal casing length. The general length is about 1-3m or according to customer requirements.

Pup joint is divided into a tubing pup joint section and a casing pup joint. In the pipe connection, the flanged pup joint is commonly used with the flange. Specifically, it is placed in the inner space of the flange, and then the tail is welded with the steel pipe. At this time, the flange is movable, as long as it is a specification flange, casually whenever the connection can be connected, the purpose is that the flange can be active.

Pup joint of the tubing is a short length of tubing. Compared with the tubing, the length is different, and the others are the same. The length is: 0.25m, 0.5m, 1m, 1.5m, etc., used to assemble the downhole string.